Share:

29TH AVENUE over INTERSTATE 880

Map 

Coordinates:
+37.77500, -122.23167
37°46'30" N, 122°13'54" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:29TH AVENUE over INTERSTATE 880
Structure number:33 0141
Location:04-ALA-880-28.69-OAK
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Local (Urban) [19]
Length of largest span:63.0 ft. [19.2 m]
Total length:609.0 ft. [185.6 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:36.7 ft. [11.2 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Skew angle:12°
Owner:State Highway Agency [01]
Year built:1947
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:11
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: February 2015 

Status:Open, no restriction [A]
Average daily traffic:11,300 [as of 1998]
Truck traffic:2% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:62.4 tons [56.7 metric tons]
Inventory rating:37.4 tons [34.0 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:72.6
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,380,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201572.6Functionally obsoleteVery GoodVery GoodVery Good11300
February 201372.6Functionally obsoleteSatisfactoryGoodGood11300
February 201172.6Functionally obsoleteSatisfactoryGoodGood11300
February 200972.6Functionally obsoleteSatisfactoryGoodGood11300
January 200559.5Functionally obsoleteSatisfactoryGoodGood113000
February 200359.5Functionally obsoleteSatisfactoryGoodGood113000
February 200148.0Functionally obsoleteSatisfactoryFairGood113000
March 199948.0Functionally obsoleteSatisfactoryFairGood113000
June 199848.0Functionally obsoleteSatisfactoryFairGood113000
February 199562.4Functionally obsoleteGoodGoodGood113000
May 199362.4Functionally obsoleteGoodGoodGood113000
February 199162.4Functionally obsoleteGoodGoodGood113000